Commit def10ec7 authored by Michal Vokáč's avatar Michal Vokáč Committed by Dmitry Torokhov
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dt-bindings: input: Convert mpr121 binding to json-schema 



Convert the mpr121 binding to DT schema format using json-schema.

Signed-off-by: default avatarMichal Vokáč <michal.vokac@ysoft.com>
Reviewed-by: default avatarRob Herring <robh@kernel.org>
Signed-off-by: default avatarDmitry Torokhov <dmitry.torokhov@gmail.com>
parent 7cef1079

Documentation/devicetree/bindings/input/fsl,mpr121-touchkey.yaml

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# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)

%YAML 1.2

---

$id: http://devicetree.org/schemas/input/fsl,mpr121-touchkey.yaml#

$schema: http://devicetree.org/meta-schemas/core.yaml#



title: Freescale MPR121 capacitive touch sensor controller



maintainers:

  - Dmitry Torokhov <dmitry.torokhov@gmail.com>



description: |

  The MPR121 supports up to 12 completely independent electrodes/capacitance

  sensing inputs in which 8 are multifunctional for LED driving and GPIO.

  https://www.nxp.com/docs/en/data-sheet/MPR121.pdf



allOf:

  - $ref: input.yaml#



properties:

  compatible:

    const: fsl,mpr121-touchkey



  reg:

    maxItems: 1



  interrupts:

    maxItems: 1



  vdd-supply:

    maxItems: 1



  linux,keycodes:

    minItems: 1

    maxItems: 12



  wakeup-source:

    description: Use any event on keypad as wakeup event.

    type: boolean



required:

  - compatible

  - reg

  - interrupts

  - vdd-supply

  - linux,keycodes



examples:

  - |

    #include "dt-bindings/input/input.h"

    i2c {

        #address-cells = <1>;

        #size-cells = <0>;



        mpr121@5a {

            compatible = "fsl,mpr121-touchkey";

            reg = <0x5a>;

            interrupt-parent = <&gpio1>;

            interrupts = <28 2>;

            autorepeat;

            vdd-supply = <&ldo4_reg>;

            linux,keycodes = <KEY_0>, <KEY_1>, <KEY_2>, <KEY_3>,

                             <KEY_4>, <KEY_5>, <KEY_6>, <KEY_7>,

                             <KEY_8>, <KEY_9>, <KEY_A>, <KEY_B>;

        };

    };

Documentation/devicetree/bindings/input/mpr121-touchkey.txt

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* Freescale MPR121 Controllor



Required Properties:

- compatible:		Should be "fsl,mpr121-touchkey"

- reg:			The I2C slave address of the device.

- interrupts:		The interrupt number to the cpu.

- vdd-supply:		Phandle to the Vdd power supply.

- linux,keycodes:	Specifies an array of numeric keycode values to

			be used for reporting button presses. The array can

			contain up to 12 entries.



Optional Properties:

- wakeup-source:	Use any event on keypad as wakeup event.

- autorepeat:		Enable autorepeat feature.



Example:



#include "dt-bindings/input/input.h"



	touchkey: mpr121@5a {

		compatible = "fsl,mpr121-touchkey";

		reg = <0x5a>;

		interrupt-parent = <&gpio1>;

		interrupts = <28 2>;

		autorepeat;

		vdd-supply = <&ldo4_reg>;

		linux,keycodes = <KEY_0>, <KEY_1>, <KEY_2>, <KEY_3>,

				<KEY_4> <KEY_5>, <KEY_6>, <KEY_7>,

				<KEY_8>, <KEY_9>, <KEY_A>, <KEY_B>;

	};